/*
package test;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;


public class Host {
	
	private String hostAddress;
	
	private Set<String> accounts;
	
	private Set<String> users;
	
}

Set<Host> hosts = new HashSet<Host>();

public class Host2 {
	
	private String hostAddress;
	
	private String account;
	
	private String user;
	
}

List<Host2> hosts2 = new ArrayList<Host2>();

*/